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Si21-205
Troubleshooting for Indoor Unit
Troubleshooting
161
5.16 Centralized Address Setting Error
Remote
Controller
Display
UC
Applicable
Models
FFQ-B, FHQ-BU
Method of
Malfunction
Detection
Indoor unit microcomputer detects and judges the centralized address signal according to the
transmission between indoor units.
Malfunction
Decision
Conditions
When the microcomputer judges that the centralized address signal is duplicated
Supposed
Causes
Faulty centralized address setting
Faulty indoor unit PC board
Troubleshooting
Change the setting so that the centralized
address is not duplicated.
Are
devices relating
to centralized control
connected to the
indoor unit?
YES
NO
Replace the indoor unit PC board.
(S2607)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...